Joseph Lucien Jean Gonzague DeBlois (born June 21, 1957) is a Canadian former professional ice hockey right wing / centre.

Born in Joliette, Quebec, DeBlois was selected in the 1977 NHL Entry Draft by the New York Rangers in the first round, eighth overall.

"[1] DeBlois was a top Canadian major junior player in the mid-seventies, where he tallied excellent numbers with the Sorel Black Hawks.

In his National Hockey League (NHL) career DeBlois played for six teams, the New York Rangers (1977–1979 and 1986–1989), Colorado Rockies (1979–1981), Winnipeg Jets (1981–1984 and 1992), Montreal Canadiens (1984–1986), Quebec Nordiques (1989–1990) and Toronto Maple Leafs (1990–1992).

Dominic DeBlois, the youngest, played in the QMJHL during four seasons for Chicoutimi and Rouyn-Noranda where he became team captain his last two years of eligibility.